Help to test if giro3d correctly deallocates memory.
import StadiaMaps from 'ol/source/StadiaMaps.js';
import { MapControls } from 'three/examples/jsm/controls/MapControls.js';
import Extent from '@giro3d/giro3d/core/geographic/Extent.js';
import Instance from '@giro3d/giro3d/core/Instance.js';
import ColorLayer from '@giro3d/giro3d/core/layer/ColorLayer.js';
import Map from '@giro3d/giro3d/entities/Map.js';
import Inspector from '@giro3d/giro3d/gui/Inspector.js';
import TiledImageSource from '@giro3d/giro3d/sources/TiledImageSource.js';
import StatusBar from './widgets/StatusBar.js';
// Defines geographic extent: CRS, min/max X, min/max Y
const extent = new Extent(
'EPSG:3857',
-20037508.342789244, 20037508.342789244,
-20037508.342789244, 20037508.342789244,
);
const dimensions = extent.dimensions();
// `viewerDiv` will contain giro3d' rendering area (the canvas element)
const viewerDiv = document.getElementById('viewerDiv');
let instance = null;
let inspector = null;
let controls = null;
/** @type {Map} */
let map = null;
function init() {
// Creates a giro3d instance
instance = new Instance(viewerDiv, {
crs: extent.crs(),
renderer: {
clearColor: 0x0a3b59,
},
});
// Creates a map that will contain the layer
map = new Map('planar', { extent, maxSubdivisionLevel: 10 });
instance.add(map);
// Adds an TMS imagery layer
map.addLayer(new ColorLayer(
'osm',
{
source: new TiledImageSource({
source: new StadiaMaps({ layer: 'stamen_watercolor', wrapX: false }),
}),
},
)).catch(e => console.error(e));
// Instanciates camera
instance.camera.camera3D.position.set(
(Math.random() - 0.5) * dimensions.x,
(Math.random() - 0.5) * dimensions.y,
25000000,
);
// Instanciates controls
controls = new MapControls(instance.camera.camera3D, instance.domElement);
instance.useTHREEControls(controls);
inspector = Inspector.attach(document.getElementById('panelDiv'), instance);
}
init();
function reload() {
if (!instance) return;
map.getLayers().forEach(l => l.dispose());
inspector.detach();
instance.dispose();
controls.dispose();
inspector = null;
instance = null;
controls = null;
init();
}
document.getElementById('load_once').addEventListener('click', reload);
// we need to get the current state of the checkbox, as browsers remembers it
let intervalId;
const autoreloadCheckbox = document.getElementById('autoreload');
if (autoreloadCheckbox.checked) {
intervalId = setInterval(reload, 2000);
}
autoreloadCheckbox.addEventListener('change', e => {
if (intervalId) {
clearInterval(intervalId);
}
if (e.target.checked) {
intervalId = setInterval(reload, 2000);
}
});
StatusBar.bind(instance);